Re: [perl #38384] Memory leak printing large hash-references

"paul.boutros@utoronto.ca (via RT)" <perlbug-followup@perl.org> writes:

> I appear to have found a memory leak in perl 5.8.7 and possibly 5.6.2
> that occurs when printing out compound-hashes using tabs.

This is not a memory leak.  The reason perl allocates memory during
printing is that it converts all the 0 values in the hashes to strings
and stores these.  This upgrades your SvIV structs containing 0 into
the much larger SvPV structs containing both 0 and "0" (see [1]).

--Gisle

[1] http://search.cpan.org/src/GAAS/illguts-0.09/index.html#sviv

• [perl #38384] Memory leak printing large hash-references by paul . boutros @ utoronto . ca
• Re: [perl #38384] Memory leak printing large hash-references by Gisle Aas
• Re: [perl #38384] Memory leak printing large hash-references by Yitzchak Scott-Thoennes
• Re: [perl #38384] Memory leak printing large hash-references by Unknown Sender